/**<pre>
 * - 
 * ClassName : com.teach.service.package-info
 * Author : J.L.Zhou
 * E-Mail : 2233875735@qq.com
 * Date : 2020年7月24日 下午3:43:06
 * Version : 1.0
 * Copyright 2020 jlzhou.top Inc. All rights reserved. 
 * Warning: this content is only for internal circulation of the company. 
 * It is forbidden to divulge it or use it for other commercial purposes.
 * </pre>
 **/
package com.hgl.service;